Resize Images for YouTube — Thumbnails, Banners & More
YouTube thumbnails and channel art have strict dimension requirements. A well-sized thumbnail at 1280x720 is one of the biggest factors in click-through rate. This tool resizes your images to exact YouTube dimensions in your browser — no upload, no watermark.
Recommended dimensions
Thumbnail
1280 x 720
Video thumbnail (16:9)
Channel Banner
2560 x 1440
Channel art
Profile Photo
800 x 800
Channel profile picture
End Screen
1280 x 720
End screen elements
Community Post
1200 x 675
Community tab image
Drop an image here or click to browse
JPEG, PNG, WebP, etc.
All processing happens in your browser. No files are uploaded.
Tips & best practices
- Thumbnails at 1280x720 (16:9) are mandatory for custom thumbnails — lower resolution thumbnails look blurry
- Channel banners are 2560x1440 but only the center 1546x423 is always visible across all devices
- Use bold text and high contrast in thumbnails — they display as small as 116x65 on mobile
- Keep thumbnail file size under 2MB (YouTube limit)
- Profile photos display as circles — center your logo or face and avoid edge content
Frequently Asked Questions
What is the correct YouTube thumbnail size?
1280x720 pixels (16:9 aspect ratio) with a minimum width of 640 pixels. The file must be under 2MB and can be JPG, GIF, or PNG format.
What size should a YouTube channel banner be?
2560x1440 pixels for the full banner. However, the safe area visible on all devices (TV, desktop, tablet, mobile) is only the center 1546x423 pixels. Keep your logo and text within that zone.
Why is my YouTube thumbnail blurry?
YouTube thumbnails appear blurry when uploaded at lower than 1280x720 resolution. Always resize to at least 1280x720 and use PNG for graphics or high-quality JPEG for photos.
Can I resize multiple thumbnails at once?
Currently this tool processes one image at a time. Upload your image, select the YouTube Thumbnail preset (1280x720), resize, download, and repeat for each thumbnail.
All processing happens in your browser. No files are uploaded to any server.